94 F. 519 | U.S. Circuit Court for the District of Minnesota | 1899
The complainant, a Minnesota corporation doing business at Owatonna, in that state, brings this suit to restrain the defendant, a Wisconsin corporation, from infringing patent Ao. 490,105, issued January 17, 1893, to Reuben B. Dis-brow and Darius W. Payne for combined churn and butter worker, and to recover damages for past infringement. The defendant, be
The defendant urges that the suit should be dismissed, because when it was commenced the title to the patent was not in the complainant, but in the Disbrow Manufacturing Company. Dis-brow and Payne, the patentees, by contract in writing, on October 2, 1893, granted to the complainant the exclusive right to manufacture and sell throughout the United States combined churns and butter workers, under said patent 490,105. As this writing did not by its terms convey to complainant the exclusive right to use the patented invention, it did not, under the decision in Waterman v. Mackenzie, 138 U. S. 255, 11 Sup. Ct. 334, amount to a transfer of the title to the patent, and therefore must be classified as a license, leaving the holder of the title a necessary party to any suit for infringement of the patent for technical reasons, although, in every case of infringement by the unauthorized manufacture .or sale of the patented article, the complainant alone would, in equity, be entitled to all damages recovered. The complainant could even maintain an
In a suit in equity, where the complainant has all the substantial right to the relief and to the recovery, if he omits to join a technically necessary, but really formal, party, he will be allowed to bfing such party in by amendment; and in (his case, as the complainant: actually acquired the technical title to the patent just after the suit was begun, it was properly allowed to allege that fact by supplemental bill. There was no longer any reason to make the prior holder of the title to the patent a party, as, even in respect to the past infringements alleged, the equitable and substantial right of recovery was in the complainant alone.
In respect to the validity and scope of the patent, and to the charge of infringement, it is true that, prior to this Disbrow patent, rotatory cylindrical churns, with slats or flights on the inner surface of the periphery, to agitate the cream, were in use;,' and in some cases were so arranged that after the churning was done, and the buttermilk drawn off, rollers could be introduced within the churn for kneading and working the butter, brought up by the slats and dropped upon the rollers by the rotary movement of the churn. The Disbrow churn, however, seems to have been the first which without removing any of the parts from the machine, or introducing into it any further or other appliances, could be changed in a moment, by a shift of the gearing, effected by the movement of a lever, from a successful churn to a successful and satisfactory butter worker. The value of the invention appears to have been promptly recognized by dairymen, and I think the patent must be regarded as entitled to that liberal construction in respect to equivalents which are accorded to patents for what are called “pioneer inventions.” Although prior inventions disclose the conception of the idea of combined churns and butter workers, and the construction of such machines, of varying utility and convenience, the Disbrow machine differed from all the others, and the evidence fairly shows that it was the first machine to perform this double function in sncli satisfactory manner as to bring it into extended and general use.
Without attempting any technically accurate description, it may suffice to say that the Disbrow machine, as described in the patent owned by complainant, has a cylindrical rotatable drum, the two heads of which have openings In the centers, and are supported by metal spiders fastened to the outside of the rims of the heads around the openings and journals upon the frame at each end, outside the drum. The openings in the heads are closed by independent heads or disks, on the.inner side, through which pass the journals of two rollers, side by side, to crossheads outside the heads of the cylinder at each end; which journals are thrown out of gear by a lever movement when the disks are clamped to the heads, to close the openings in churning. Then the rollers revolve with the
The defendant, in its earlier construction of combined churns and butter workers, of the kind of which the so-called “Kilkenny Machine” is a sample, copied, with immaterial variations, the machine, with two open heads, described in the Disbrow patent. In its later construction of the kind called its “Style A Machine,” it copied, with like immaterial variations, the machine as made by the complainant, with the rear crossheads within the cylinder, as above described. The differences between the defendant’s machines and those of the complainant, in each of these instances, are in respect to the gearings, and consist in the adoption of obvious mechanical equivalents or mere changes in form, in respect to which any skilled mechanic can vary the manner and form indefinitely, without any substantial change in the devices. The intent of the defendant to infringe the Disbrow patent, and use the patented invention in disregard of complainant’s rights, is evidenced, as I think, by its procuring the transfer to it of the technical title to that patent, subject to complainant’s rights, in connection with its employment of Disbrow, the patentee, and Brown, the mechanic who had constructed for Disbrow his first experimental machine, and by its procuring of one of complainant’s machines for use in making patterns, and also by its attempts, with the assistance of Disbrow and Brown, to overthrow the Disbrow patent, upon the claim, which it failed to sustain, that Brown, and not Disbrow, was the real inventor. Let decree be entered affirming the validity of said patent No. 490,105, and complainant’s title thereto, and adjudging that the defendant has infringed the same, and that complainant is entitled to recover of defendant the gains